9/29/2008 Summary of Organic HAP Test Data

OrganicHAP 092908.xls Page 1 Company Location Kiln Kiln Type Raw MillAverage THC (as propane), ppm @ 7% O2Formalde hyde, ppmvd@7 %O2 Benzene, ppmvd@7 %O2Toluene, ppmvd@7 %O2 Ethyl benzene, ppmvd@7 %O2 m,pXylene, ppmvd@7 %O2 Styrene, ppmvd@7 %O2o-Xylene, ppmvd@7 %O2Acetaldeh yde, ppmvd@7 %O2 Phenol, ppmvd@7 %O2 Hexane, ppmvd@7 %O2 Naphthale ne, ppmvd@7 %O2Total organic HAP, ppmvd@7 %O2Org. HAP as % of THC Ash Grove Cement Montana City, MT1 wet no 0.41ND 0.06ND ND ND ND ND ND ND 0.0614.68 Ash Grove Cement Midlothian, TX 3 wet no 13.83 Ash Grove Cement Leamington, UT 1 preheater/calcineryes 14.14 Ash Grove Cement Seattle, WA 1 preheater/calcineryes 14.23 2.78 0.13 0.05 2.9620.80 Ash Grove Cement Inkom, ID 2 wet no 20.50 Ash Grove Cement Inkom, ID 1wet no ND 0.16 0.15ND ND ND ND ND ND ND 0.31 Ash Grove Cement Durkee, OR 1 preheater/calcineryes 30.8415.54 0.21 0.09 0.25 0.24 ND ND 16.3352.94 Ash Grove Cement (new)Durkee, OR 1preheater/calcineryes 3.72 0.29 0.23 0.1 0.28 0.27 0.0021.17231.51 Holcim Trident Kiln #1wet no 5.56 Holcim Mason City Kiln #3long dry no 6.78 Holcim Mason City Kiln #2long dry no 11.07 Holcim Artesia, MS wet no 18.35 Holcim Theodore, AL Kiln #1preheater/calcinerno 23.74 Holcim Holly Hill, SC preheater/calcineryes 28.48 Holcim Portland, CO Kiln #4preheater/calcineryes 44.97 Holcim Midlothian, TX Kiln #1preheater/calcineryes 51.59 Holcim Devil's Slide, UT Kiln #1preheater/calcineryes 51.91 Holcim Midlothian, TX Kiln #2preheater/calcineryes 62.82 Holcim Clarksville, MO 121.01 Holcim Dundee Kiln #1 and wet no 748.15 Lafarge Whitehall, PA Kiln 2preheater no 8.33 Lafarge Whitehall, PA Kiln 3preheater no 10.81 Lafarge Ravena, NY 1 wet no 25.26 Lafarge Ravena, NY 2 wet no 25.26 Lehigh Evansville, PA Kiln2 preheater/calcinerno 1.69 Lehigh York, PA White Cem wet no 1.74 Lehigh Evansville, PA Kiln1 preheater/calcinerno 2.18 Lehigh Union Bridge E02-001preheater/calcineryes 6.83 Lehigh Redding, CA 1 preheater yes 13.62 Lehigh Waco, TX 39 wet no 18.97 Lehigh Mitchell, IN 1 preheater no 49.09 Lehigh Mitchell, IN 2 preheater no 49.09 Lehigh Mason City 8 preheater/calcineryes 50.53 Lone Star Industries Oglesby, IL 3 long dry no 2.25 Lone Star Industries Maryneal 3preheater no 30.16 Lone Star Industries Pryor 3 long dry no 125.24 Lone Star Industries Pryor 2 long dry no 149.75 Lone Star Industries Pryor 1 long dry no 173.83 TXI Midlothian Kiln E2-22preheater/calciner 3.96 Lehigh Glen Falls, NY 1PH/PC yes 3.29 3.29 Lafarge Tulsa 2long dry no 0.04 0.04 Lafarge Tulsa 1long dry no 0.02 0.02 California PC Colton 1long dry no 3.53 0.71 0.3ND ND ND ND ND ND ND 4.54 California PC Colton 1long dry no 1.47 0.3 0.05ND ND ND ND ND ND ND 1.82 California PC Colton 2long dry no 1.22 0.46 0.06ND ND ND ND ND ND ND 1.74 Lafarge Davenport, IA 1preheater/calciner 0.15 0.15 Lafarge Sugar Creek, MO 3preheater/calcineryes 5.57 0.59 0.4 0.35 0.98 0.54 0.41 8.84 Lehigh Leeds, AL 5preheater 6.8 6.8

Test data in other units Lafarge Ravena 1&2 wet no 55.2 0.51 0.92 Average HAP % of THC24.17

Mean (ppmvd@7%O2)3.433714 Median (ppmvd@7%O@ 1.78

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Page 1 OrganicHAP 092908.xls Organic HAP Test Data 9/26/2008

Plant/Kiln Lehigh, Glen Falls, NY Test date 2002 Kiln ID Kiln 1 Kiln type PC RM On Moisture, fraction 0.17 %O2 11 Formaldehyde ppmw 2.9 Formaldehyde ppmvd@7%O2 3.38 Acetaldehyde, acrylonitrile, hexane, phenol ND RM Off Moisture, fraction 0.19 %O2 6.73 Formaldehyde ppmw 3 Formaldehyde ppmvd@7%O2 2.39 Acetaldehyde, acrylonitrile, hexane, phenol ND Total Formaldehyde, Wtd avg, ppmvd@7%O2 3.29 Formaldehyde, Wtd avg, tpy 0.95 Total organic HAP 3.29

Lehigh, Glen Falls, NY Test date 2006 Kiln ID Kiln 1 Kiln type PC RM On %O2 11 Moisture, fraction 0.139 NMHC ppm@7% O2 2.5 NMHC ppmvd@7% O2 2.15 NMHC lbs/hr 0.98 RM Off %O2 5.90 Moisture, fraction 0.2006 NMHC ppm@7% O2 3.5 NMHC ppmvd@7% O2 2.80 NMHC lbs/hr 1.53 Total NMHC Wtd Avg RM on/off, ppmvd@7%O2 2.22 NMHC Wtd Avg RM on/off, tpy 4.10

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Page 2 OrganicHAP 092908.xls Lafarge, Tulsa Test date 2002 Kiln ID Kiln 2 Kiln type Dry Moisture, fraction 0.1371 Formaldehyde, ppm@7%O2 0.051 Formaldehyde, ppmvd@7%O2 0.04 Formaldehyde, tpy 0.048

Kiln ID Kiln 1 Kiln type Dry Moisture, fraction 0.1292 Formaldehyde, ppm@7%O2 0.027 Formaldehyde, ppmvd@7%O2 0.02 Formaldehyde, tpy 0.028

California PC, Colton Test date 2002 Kiln ID Kiln 1 Kiln type Dry Moisture, fraction 0.04 %O2 13.43 Formaldehyde, ppmw 1.97 Formaldehyde, ppmvd@7%O2 3.53 Formaldehyde, tpy 4.56 Benzene, ppmvd 0.38 Benzene, ppmvd@7%O2 0.71 Benzene, tpy 2.19 Toluene, ppmvd 0.16 Toluene, ppmvd@7%O2 0.30 Toluene, tpy 1.11

Acetaldehyde, phenol, hexane, ethyl benzene, m,p,o-xylene, styrene ND Total organic HAP, ppmvd@7%O2 4.53

California PC, Colton Test date 2005 Kiln ID Kiln1 Kiln type Dry Moisture, fraction 0.06 %O2 12 Formaldehyde, ppmvw 1 Formaldehyde, ppmvd@7%O2 1.47 Formaldehyde, tpy 2.4 Benzene, ppmvd 0.19 Benzene, ppmvd@7%O2 0.30 Benzene, tpy 1.11 Toluene, ppmvd 0.03 Toluene, ppmvd@7%O2 0.05 Toluene, tpy 0.21

Acetaldehyde, phenol, hexane, ethyl benzene, m,p,o-xylene, styrene ND Total organic HAP, ppmvd@7%O2 1.81

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Page 3 OrganicHAP 092908.xls California PC, Colton Test date 2005 Kiln ID Kiln 2 Kiln type Dry Moisture, fraction 0.04 %O2 14 Formaldehyde, ppmvw 0.63 Formaldehyde, ppmvd@7%O2 1.22 Formaldehyde, tpy 1.54 Benzene, ppmvd 0.23 Benzene, ppmvd@7%O2 0.46 Benzene, tpy 1.42 Toluene, ppmvd 0.03 Toluene, ppmvd@7%O2 0.06 Toluene, tpy 0.19

Acetaldehyde, phenol, hexane, ethyl benzene, m,p,o-xylene, styrene ND Total organic HAP, ppmvd@7%O2 1.74

Ash Grove, Seattle Test date 2001 Kiln ID Kiln 1 Kiln type PC RM On Moisture, fraction 0.132 %O2 9.52 Benzene, ppmvd 0.1 Benzene, ppmvd@7%O2 0.12 Benzene, tpy 0.55 Toluene, ppmvd 0.04 Toluene, ppmvd@7%O2 0.05 Toluene, tpy 0.26 Formaldehyde, ppmvw 2.3 Formaldehyde, ppmvd@7%O2 2.44 Formaldehyde, tpy 5.63 Ethyl benzene,mp-xlyene, styrene ND RM Off Moisture, fraction 0.073 %O2 8.73 Benzene, ppmvd 0.21 Benzene, ppmvd@7%O2 0.24 Toluene, ppmvd 0.08 Toluene, ppmvd@7%O2 0.09 Formaldehyde, ppmvw 5.5 Formaldehyde, ppmvd@7%O2 5.82 Total Benzene, Wtd avg, ppmvd@7%O2 0.13 Toluene, Wtd avg, ppmvd@7%O2 0.05 Formaldehyde, Wtd avg, ppmvd@7%O2 2.78 Total organic HAP, ppmvd@7%O2 2.96

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Page 4 OrganicHAP 092908.xls Ash Grove, Montana City, MT Test date 2000 Kiln ID Kiln 1 Kiln type Wet %O2 (not reported. Used avg of 3 other wet kilns) 5.86 Benzene, ppmvd 0.06 Benzene, ppmvd@7%O2 0.06 Toluene, phenol, formaldehyde, naphthalene, hexane, ethyl benzene, m,p,o-xylene, styrene ND

Ash Grove, Durkee, OR Date July 2001 Kiln Kiln Kiln type PC RM On Moisture, fraction 0.1768 %O2 6.03 Benzene, ppmvd 0.22 Benzene, ppmvd@7%O2 0.21 Toluene,ppmvd 0.1 Toluene,ppmvd@7%O2 0.09 m,p-Xylene, ppmvd 0.27 m,p-Xylene, ppmvd@7%O2 0.25 Styrene, ppmvd 0.26 Styrene, ppmvd@7%O2 0.24 Formaldehyde, ppmvw 20.2 Formaldehyde, ppmvw@7%O2 15.54 Phenol, naphthalene ND Total organic HAP, ppmvd@7%O2 16.34

Ash Grove, Durkee, OR Date April 2002 Kiln Kiln 1 Kiln type PC RM On Moisture, fraction 0.116266667 %O2 7.7 Benzene, ppmvd 0.22 Benzene, ppmvd@7%O2 0.23 Toluene, ppmvd 0.1 Toluene, ppmvd@7%O2 0.11 m,p-Xylenes, ppmvd 0.27 m,p-Xylenes, ppmvd@7%O2 0.28 Styrene, ppmvd 0.26 Styrene, ppmvd@7%O2 0.27 Formaldehyde, ppmvw 0.3 Formaldehyde, ppmvd@7%O2 0.28 Naphthalene, ppmvd 0.002 Naphthalene, ppmvd@7%O2 0.002 THC(M25A), ppmvd as propane 3.6 THC, ppmvd@7%O2 3.8

Volumetric flow rate dscfm 147929 wscfm 167391

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Page 5 OrganicHAP 092908.xls RM Off Moisture, fraction 0.1368 %O2 5.93 Benzene, ppmvd 0.22 Benzene, ppmvd@7%O2 0.20 Toluene, ppmvd 0.1 Toluene, ppmvd@7%O2 0.09 m,p-Xylenes, ppmvd 0.27 m,p-Xylenes, ppmvd@7%O2 0.25 Styrene, ppmvd 0.26 Styrene, ppmvd@7%O2 0.24 Formaldehyde, ppmvw 0.5 Formaldehyde, ppmvd@7%O2 0.40 Naphthalene, ppmvd 0.008 Naphthalene, ppmvd@7%O2 0.01 THC(M25A), ppmvd as propane 3.3 THC, ppmvd@7%O2 3.1

Volumetric flow rate dscfm 125600 wscfm 145505 Total Benzene, Wtd avg, ppmvd@7%O2 0.23 Toluene, Wtd avg, ppmvd@7%O2 0.10 m,p-Xylenes, Wtd avg, ppmvd@7%O2 0.28 Styrene, Wtd avg, ppmvd@7%O2 0.27 Formaldehyde, Wtd avg, ppmvd@7%O2 0.29 Naphthalene, Wtd avg, ppmvd@7%O2 0.002 Total organic HAP, ppmvd@7%O2 1.18 THC, ppmvd@7%O2 3.72 31.7HAP% of THC

Ash Grove, Louisville, NE Date 2005 Kiln Kiln 2 Kiln type PC tpy Benzene,g/sec, baseline 0.023 0.7 Benzene, g/sec, TDF 0.021 0.7

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Page 6 OrganicHAP 092908.xls Lafarge, Whitehall,PA Date March 2006 Kiln Kiln 3 Kiln type PH %O2 5.3 Total THC as methane, ppmvd 64.9 Total THC as propane, ppmvd@7%O2* 19.28 Benzene, ug/dscm@7%O2 143 Benzene, lb/hr 0.0287 Naphthalene, ug/dscm@7%O2 180 Naphthalene, lb/hr 0.0363 Methyl chloride, lb/hr 0.0355 Methyl bromide, lb/hr 0.0255 Acetone, lb/hr 0.00189 Methyl iodine, lb/hr 0.0112 Phenol, lb/hr 0.0517 2-Methylphenol, lb/hr 0.003 3&4-Methylphenol, lb/hr 0.007 Acetophenone, lb/hr 0.004 2-Methylnaphthalene, lb/hr 0.003 Acenaphthylene, lb/hr 0.002 Dibenzofuran, lb/hr 0.003 Diethyl phthalate, lb/hr 0.0004 Bis(2-ethylhexyl)phthalate, lb/hr 0.003 Benzoic acid, lb/hr 0.015 Total org HAP, lb/hr 0.23 *Converted THC methane to THC propane by dividing by 3.

Lafarge, Whitehall,PA Date Sept 2006 Kiln Kiln 2 Kiln type PH %O2 3.8 Total NMHC as Methane [VOC], ppmvd 22.9 Total NMHC as Methane [VOC], ppmvd@7%O2 18.7 Total NMHC as Methane [VOC], lb/hr 3.2

Kiln Kiln 3 Kiln type PH %O2 5.3 Total NMHC as Methane [VOC], ppmvd 11.4 Total NMHC as Methane [VOC], ppmvd@7%O2 10.2 Total NMHC as Methane [VOC], lb/hr 1.2

Lafarge, Seattle Date June 2000 Kiln Kiln Kiln type Wet Moisture, fraction 0.30 %O2 6.7 Benzene, ug/m3 2417 Benzene, lb/hr 0.726

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Page 7 OrganicHAP 092908.xls Lafarge, Ravena, NY Date February 2004 Kiln Kiln 1&2, common stack Kiln type Wet %O2 6.94 Moisture, fraction 0.286 Naphthalene, mg/M3@7%O2 0.0371 Naphthalene,lb/hr 0.0634 2-Methylnaphthalene, mg/M3@7%O2 0.209 2-Methylnaphthalene, lb/hr 0.291 Phenanthrene, mg/M3@7%O2 0.11 Phenanthrene, lb/hr 0.153 Total org HAP, mg/M3@7%O2 0.3561 Total org.HAP, lb/hr 0.5074 Total NMHC, ppmvd 21.82 Total NMHC, lb/hr 55.2 THC, ppmvd as propane 25.4 THC, ppmvd@7%O2 as propane 25.3 THC, lb/hr as propane 55.2 0.9HAP% of THC

Lafarge, Davenport IA Date "March 2000 Kiln Kiln 1 Kiln type PC Moisture, fraction 0.11 %O2 9.8 Benzene, ppmv 0.15 Benzene, ppm@7%O2 0.17 Benzene, ppmvd@7%O2 0.15

Volumetric flow rate, dscfm 271587

Lafarge, Sugar Creek, MO Date August 2002 Kiln Kiln 3 Kiln type PC RM On (95% of time) tpy Moisture, fraction 0.14 %O2 (not reported, used avg. of 6 PC kilns) 9.2 Benzene, ppmvd 0.5 3.12 Benzene, ppmvd@7%O2 0.59 Toluene, ppmvd 0.34 2.46 Toluene, ppmvd@7%O2 0.40 Ethyl benzene, ppmvd 0.3 2.49 Ethyl benzene, ppmvd@7%O2 0.36 m,p-Xylenes, ppmvd 0.71 5.98 m,p-Xylenes, ppmvd@7%O2 0.84 Styrene, ppmvd 0.46 3.8 Styrene, ppmvd@7%O2 0.55 o-Xylene, ppmvd 0.35 2.95 o-Xylene, ppmvd@7%O2 0.41 Formaldehyde, ppmvw 5.4 14.92 Formaldehyde, ppmvd@7%O2 5.51

Volumetric flow rate, dscfm 122537 Volumetric flow rate, wscfm 141940

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Page 8 OrganicHAP 092908.xls RM Off (5% of time) tpy Moisture, fraction 0.15 %O2 (not reported, used avg of 4 PC kilns) 6.8 Benzene, ppmvd 0.62 0.19 Benzene, ppmvd@7%O2 0.61 Toluene, ppmvd 0.34 0.12 Toluene, ppmvd@7%O2 0.34 Ethyl benzene, ppmvd 0.27 0.11 Ethyl benzene, ppmvd@7%O2 0.27 m,p-Xylenes, ppmvd 3.71 1.54 m,p-Xylenes, ppmvd@7%O2 3.66 Styrene, ppmvd 0.4 0.16 Styrene, ppmvd@7%O2 0.39 o-Xylene, ppmvd 0.3 0.12 o-Xylene, ppmvd@7%O2 0.30 Formaldehyde, ppmvw 8.2 1.13 Formaldehyde, ppmvd@7%O2 6.88

Volumetric flow rate, dscfm 114961 Volumetric flow rate, wscfm 134567 Total tpy Benzene, ppmvd 0.51 3.31 Benzene, ppmvd@7%O2 0.59 Toluene, ppmvd 0.34 2.58 Toluene, ppmvd@7%O2 0.40 Ethyl benzene, ppmvd 0.30 2.6 Ethyl benzene, ppmvd@7%O2 0.35 m,p-Xylenes, ppmvd 0.86 7.52 m,p-Xylenes, ppmvd@7%O2 0.98 Styrene, ppmvd 0.46 3.96 Styrene, ppmvd@7%O2 0.54 o-Xylene, ppmvd 0.35 3.07 o-Xylene, ppmvd@7%O2 0.41 Formaldehyde, ppmvw 5.54 16.05 Formaldehyde, ppmvd@7%O2 5.57

Total all organic HAP, ppmd@7%O2 8.85 39.09

Lehigh, Leeds, AL Date April 2002 Kiln 5 Kiln type PH Moisture, fraction 0.1313 %O2 14.65 Formaldehyde, ppmvw 3.52My calculation Formaldehyde, ppmvd (reported)?? 4.05 3.06 Formaldehyde, ppmvd@7%O2 9.0 6.8 Formaldehyde, lb/hr 3.66

Volumetric flow rate, dscfm 194295 Volumetric flow rate, ascfm 298076

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Page 9 OrganicHAP 092908.xls Ash Grove, Inkom, ID Date Sept/Oct 2000 Kiln Kiln 1 Kiln type Wet Moisture, fraction 0.3308 %O2 3.95tpy Benzene, ppmvd 0.2 0.26 Benzene, ppmvd@7%O2 0.16 Toluene, ppmvd 0.18 0.27 Toluene, ppmvd@7%O2 0.15Formaldehyde phenol, naphthalene, hexane, ethyl benzene, m,p,oxylene, styrene ND Total organic HAP, ppmvd@7%O2 0.31

Volumetric flow rate, dscfm 24604 Volumetric flow rate, wscfm 36777

HAP MW

Formaldehyde 30 Benzene 78 Toluene 92 m,p-Xylene 106 Styrene 104 o-Xylene 106 Hexane 86 Phenol 94